//
//  VisitorView.swift
//  weibo10
//
//  Created by 周荣硕 on 16/1/9.
//  Copyright © 2016年 grgbanking. All rights reserved.
//

import UIKit



/// 访客视图 -处理用户未登录的界面展示
class VisitorView: UIView {
    //MARK:-- 设置视图信息
    ///  设置视图信息
    ///
    ///  - parameter imageName: 图片名称 首页设置为nil
    ///  - parameter title:     消息文字
    func setupInfo(imageName: String?,title: String){
    
        messageLabel.text = title
        
        guard let imgName = imageName else{
        
            startAnim()
            return
        }
        
        iconView.image = UIImage(named: imgName)
        // 隐藏小房子
        homeIconView.hidden = true
        // 将遮罩图像移动到底层
        sendSubviewToBack(maskIconView)

        
        
    }
    
///  开启首页转轮动画
    private func startAnim(){
    
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        
        anim.toValue = 2 * M_PI
        anim.repeatCount = MAXFLOAT
        anim.duration = 20
        
        anim.removedOnCompletion = false
        
        iconView.layer.addAnimation(anim, forKey: nil)
    }
    
    //MARK: --构造函数
   override  init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
    }

    required init?(coder aDecoder: NSCoder) {
        //使用sb开发的时候把这一行注释就可以
        
//        fatalError("init(coder:) has not been implemented")
        
        super.init(coder:aDecoder)
        setupUI()
    }
    
    //MARK:-- 懒加载控件 
    ///图标 ：构造函数创建的 imageView默认就是image的大小
    private lazy var iconView: UIImageView = UIImageView(imageName: "visitordiscover_feed_image_smallicon")
    //遮罩图像
    private lazy var maskIconView: UIImageView = UIImageView (imageName: "visitordiscover_feed_mask_smallicon")
    ///小房子
    private lazy var homeIconView: UIImageView = UIImageView (imageName: "visitordiscover_feed_image_house")
    ///消息文字
    private lazy var messageLabel : UILabel = UILabel(title: "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜")
    //注册按钮
     lazy var registerButton : UIButton = UIButton(title: "注册", color: UIColor.orangeColor(), imgeName: "common_button_white_disable")
    //登录按钮
    lazy var loginButton: UIButton = UIButton(title: "登录", color: UIColor.darkGrayColor(), imgeName: "common_button_white_disable")


}
extension VisitorView{

    private func setupUI(){
    
        //1.添加控件
        addSubview(iconView)
        addSubview(maskIconView)
        addSubview(homeIconView)
        addSubview(messageLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        //2.设置自动布局
        
        for v in subviews{
        
            //false使用的是自动布局的方式
            v.translatesAutoresizingMaskIntoConstraints = false
        }
        
        //图标
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .CenterX, relatedBy: .Equal, toItem: self, attribute: .CenterX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .CenterY, relatedBy: .Equal, toItem: self, attribute: .CenterY, multiplier: 1.0, constant: -60))
        //房子
        addConstraint(NSLayoutConstraint(item: homeIconView, attribute: .CenterX, relatedBy: .Equal, toItem: iconView, attribute: .CenterX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: homeIconView, attribute: .CenterY, relatedBy: .Equal, toItem: iconView, attribute: .CenterY, multiplier: 1.0, constant: 0))
        // 3> 消息文字
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: .CenterX, relatedBy: .Equal, toItem: iconView, attribute: .CenterX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: .Top, relatedBy: .Equal, toItem: iconView, attribute: .Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: .Width, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 224))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: .Height, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 36))
        //4.注册按钮
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .Left, relatedBy: .Equal, toItem: messageLabel, attribute: .Left, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .Top, relatedBy: .Equal, toItem: messageLabel, attribute: .Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .Width, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 100))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .Height, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 36))

        //5.登录按钮
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: .Right, relatedBy: .Equal, toItem: messageLabel, attribute: .Right, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: .Top, relatedBy: .Equal, toItem: messageLabel, attribute: .Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: .Width, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 100))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: .Height, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 36))

        //6.遮罩图像
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|-0-[mask]-0-|", options: [], metrics: nil, views: ["mask": maskIconView]))
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-0-[mask]-(btnHeight)-[regButton]", options: [], metrics: ["btnHeight": -36], views: ["mask": maskIconView, "regButton": registerButton]))


        backgroundColor = UIColor(white: 237.0 / 255.0, alpha: 1.0)
        
       
    }
}